Best shuffle: Difference between revisions
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assert(bestShuffle("a") == 1); |
assert(bestShuffle("a") == 1); |
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}</lang> |
}</lang> |
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=={{header|PicoLisp}}== |
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<lang PicoLisp>(de bestShuffle (Str) |
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(let Lst NIL |
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(for C (setq Str (chop Str)) |
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(if (assoc C Lst) |
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(con @ (cons C (cdr @))) |
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(push 'Lst (cons C)) ) ) |
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(setq Lst (apply conc (flip (by length sort Lst)))) |
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(let Res |
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(mapcar |
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'((C) |
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(prog1 (or (find <> Lst (circ C)) C) |
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(setq Lst (delete @ Lst)) ) ) |
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Str ) |
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(prinl Str " " Res " (" (cnt = Str Res) ")") ) ) )</lang> |
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Output: |
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<pre>: (bestShuffle "abracadabra") |
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abracadabra raarababadc (0) |
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: (bestShuffle "seesaw") |
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seesaw essewa (0) |
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: (bestShuffle "elk") |
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elk lke (0) |
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: (bestShuffle "grrrrrr") |
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grrrrrr rgrrrrr (5) |
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: (bestShuffle "up") |
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up pu (0) |
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: (bestShuffle "a") |
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a a (1)</pre> |
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